No, no, no critical mass necessary.
I was just trying a couple of different ways to get it up here (unsuccesfully). You all have Hookbill to thank for getting it up on photobucket (unaccesible to me) and sending me a link.
Here it is, just regular ol' black sharpie
(I do have other pictures taken of just two or three BDers at a time...so it's closer, but I obvious can't put them up):
What do you think? :^\
-Estel-